A2031/A2126 Tapered Roller Bearing Specifications
Bore d (mm)
7.938
Outer D (mm)
31.991
Width B (mm)
10.008
Dynamic rating Cr (kN)
10.6
Static rating Cor (kN)
9.23
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST A2031/A2126?
RUIST A2031/A2126 Tapered Roller Bearing: bore d = 7.938 mm, outer diameter D = 31.991 mm, width/height B = 10.008 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST A2031/A2126 carry?
Dynamic load rating Cr = 10.6 kN and static load rating Cor = 9.23 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST A2031/A2126 typically used?
Tapered Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST A2031/A2126 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 7.938 mm, OD 31.991 mm and width 10.008 mm match ISO dimensions, A2031/A2126 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.